Williamsport 7-day weather forecast

Written by:
September 29, 2025
ESOlex // Shutterstock

Williamsport 7-day weather forecast

Stacker created the forecast for Williamsport, Pennsylvania using data from OpenWeather. This week's high is 66 °F on Saturday, while the low is 35 °F on Friday. There are expected to be 2 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, October 13

- High of 60 °F, low of 51 °F (91% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 7:17 AM, sunset at 6:30 PM
- Last quarter moon
1 / 6
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Tuesday, October 14

- High of 64 °F, low of 51 °F (80% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 7:18 AM, sunset at 6:28 PM
2 / 6
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Wednesday, October 15

- High of 60 °F, low of 41 °F (47% humidity)
- Partly cloudy with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:19 AM, sunset at 6:27 PM
3 / 6
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Thursday, October 16

- High of 58 °F, low of 36 °F (41% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 7:20 AM, sunset at 6:25 PM
4 / 6
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Friday, October 17

- High of 62 °F, low of 35 °F (42% humidity)
- Sunny with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:21 AM, sunset at 6:24 PM
5 / 6
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Saturday, October 18

- High of 66 °F, low of 45 °F (50% humidity)
- Overcast with a 0% chance of rain
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:23 AM, sunset at 6:22 PM
6 / 6
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Sunday, October 19

- High of 62 °F, low of 46 °F (94% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Moderate risk of harm from sun exposure (4 UV index)
- Light breeze (5 mph wind)
- Sunrise at 7:24 AM, sunset at 6:21 PM

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